1. Energy and Structure;Adams,1975
2. The Northern Plainsmen;Bennett,1969
3. The Changing Shape of Metropolitan America: Commuting Patterns, Urban Fields, and Decentralization Processes, 1960–1970;Berry,1977
4. The logic of naturalistic inquiry;Denzin;Soc. Forces L,1971
5. Landscape taste as a symbol of group identity: a Westchester County village;Duncan;Geogr. Rev.,1973